منابع مشابه
Use and abuse of hydrogen breath tests.
Hydrogen breath tests are widely used to explore the pathophysiology of functional gastrointestinal disorders. Small intestinal bacterial overgrowth and carbohydrate malabsorption are disorders detected by these tests that have been proposed to be of great importance for symptoms in, for instance, irritable bowel syndrome. However, conclusions drawn from these studies are highly controversial a...
متن کاملImplementation and interpretation of hydrogen breath tests.
Hydrogen breath tests are non-invasive and safe diagnostic tools used to investigate functional intestinal disorders. For the diagnosis of fructose or lactose malabsorption as well as for the detection of small intestinal bacterial overgrowth syndrome, hydrogen breath tests are even regarded as gold standard. However, standardization of the testing procedure and the interpretation of the test r...
متن کاملHow to Interpret Hydrogen Breath Tests
Hydrogen breath tests using various substrates like glucose, lactulose, lactose and fructose are being used more and more to diagnose small intestinal bacterial overgrowth (SIBO) and lactose or fructose malabsorption. Though quantitative culture of jejunal aspirate is considered as gold standard for the diagnosis of SIBO, hydrogen breath tests, in spite of their low sensitivity, are popular for...
متن کاملThe Use and Abuse of Mental Tests
Eminent authorities are quoted as saying that mental tests are unnecessary with low grade defectives and of little value with high grade cases, and also that the opinion of an expert after a few minutes' observation and conversation is of greater value than the records of a series of tests conducted by a tyro who judges by results only. These statements contain a profound truth, but taken apart...
متن کاملForensic use and abuse of psychological tests: multiscale inventories.
316 July 2003 Properly used, many psychological tests are very useful diagnostic and clinical tools. They often clarify ambiguous information, elicit previously unavailable data, and add objectivity, validity, and reliability to patient interactions and record reviews. Unfortunately, some instruments do not live up to these objectives, especially in forensic cases and/or in the hands of those w...
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ژورنال
عنوان ژورنال: Gut
سال: 2006
ISSN: 0017-5749
DOI: 10.1136/gut.2005.075127